UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OVSVlSiXPN0SnnmUUFF8fBI51WNzUTsvmAIyeeUxpR0=' 
WHERE 
  key_id = '2ebfd7a0303c4754f2b24d6a7a21b3b53217241323af228b086e9bf88c06485f' 
  AND (
    token = 'OVSVlSiXPN0SnnmUUFF8fBI51WNzUTsvmAIyeeUxpR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )